Development, testing, acceptance and production

The acronym DTAP is short for Development, Testing, Acceptance and Production. It is a rather common acronym in ICT expressing a phased approach of software testing and deployment. The four letters in DTAP denote the following common steps:

The set of environments used for a DTAP cycle is often called a DTAP street.

The set of environments can be smaller or larger, depending on the demands of the project. Examples of other steps are:

Though the methodology is called DTAP, some projects might use DTAPB, DTP, DTEP or any other variant addressing the project needs.

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